Science for Kids/Antibodies and Antigens

QuestionHi Sir, please could you explain the difference between a Antibody and an Antigen as simply as possible please, thank you, Oliver

AnswerHi Oliver
Antigens are organic molecule found on the surfaces on blood cells and other cells that cause the production of antibodies antibodies are protein molecules that recognize foreign bodies and destroy them when if enter the body. For example when the measles virus enters the body antibodies are produced that recognize if it it enters again